Class IWCentralProjection

A central projection used by perspective map views like birds eye views.

IWCentralProjection

IWCentralProjection(map)

Default constructor.

Parameters:
IWMap map

initialize

void initialize(obj)

Initializes the projection object.

Parameters:
Object obj

Returns:
void 

meterToPixel

IWPoint meterToPixel(coordinate)

Returns the pixel position for the given coordinate.

Parameters:
IWCoordinate coordinate - the given coordinate

Returns:
IWPoint 

meterToPixelXY

meterToPixelXY(coordinateX, coordinateY)

undocumented

Parameters:
coordinateX
coordinateY

needsReload

boolean needsReload(coord, size)

Returns true if the current map extent needs a reload to get a new oblique record, otherwise it returns false.

Parameters:
IWCoordinate coord - the current map center
IWSize size - the visible map area in pixel

Returns:
boolean 

needsReloadXY

needsReloadXY(coordX, coordY, size)

undocumented

Parameters:
coordX
coordY
size

pixelToMeter

IWCoordinate pixelToMeter(point)

Retruns the coordinate for the given pixel position.

Parameters:
IWPoint point - the given pixel position

Returns:
IWCoordinate 

pixelToMeterXY

pixelToMeterXY(pixelX, pixelY)

undocumented

Parameters:
pixelX
pixelY

toString

String toString()

Returns a string representation of the central projection.

Returns:
String